221113132121011 has 8 divisors (see below), whose sum is σ = 238136163113520. Its totient is φ = 204092148060192.

The previous prime is 221113132120987. The next prime is 221113132121029. The reversal of 221113132121011 is 110121231311122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221113132121011 - 2⁹ = 221113132120499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221113132121711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511508560 + ... + 511940653.

It is an arithmetic number, because the mean of its divisors is an integer number (29767020389190).

Almost surely, 2^{221113132121011} is an apocalyptic number.

221113132121011 is a deficient number, since it is larger than the sum of its proper divisors (17023030992509).

221113132121011 is a wasteful number, since it uses less digits than its factorization.

221113132121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023465845.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 221113132121011 its reverse (110121231311122), we get a palindrome (331234363432133).

The spelling of 221113132121011 in words is "two hundred twenty-one trillion, one hundred thirteen billion, one hundred thirty-two million, one hundred twenty-one thousand, eleven".